RT9986 datasheet(8/24 Pages) RICHTEK

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DS9986-00 May 2011

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RT9986

Electrical Characteristics

(VDDM = VBAT = 3.3V, TA = 25

°C, unless otherwise specified)

Absolute Maximum Ratings

(Note 1)

Supply Input Voltage, VDDM, BAT ---------------------------------------------------------------------

−0.3V to 6V

VOUT6 --------------------------------------------------------------------------------------------------------

−10V to 0.3V

LX1, LX2, LX3, LX4 -----------------------------------------------------------------------------------------

−0.3V to 6V

PVDD5, LX5 -------------------------------------------------------------------------------------------------

−0.3V to 24V

PVDD7, LX7 -------------------------------------------------------------------------------------------------

−0.3V to 17V

LX6 ------------------------------------------------------------------------------------------------------------- (BAT

− 14V) to (BAT + 0.3V)

Other Pins ----------------------------------------------------------------------------------------------------

−0.3V to 6V

Power Dissipation, PD @ TA = 25

°C

WQFN 32L 4x4 ---------------------------------------------------------------------------------------------- 3.590W

Package Thermal Resistance (Note 2)

WQFN 32L 4x4,

θJA ---------------------------------------------------------------------------------------- 27.8°C/W

WQFN 32L 4x4,

θJC ---------------------------------------------------------------------------------------- 7°C/W

Junction Temperature -------------------------------------------------------------------------------------- 150

°C

Lead Temperature (Soldering, 10 sec.) ---------------------------------------------------------------- 260

°C

Storage Temperature Range -----------------------------------------------------------------------------

−65°C to 150°C

ESD Susceptibility (Note 3)

HBM (Human Body Mode) ------------------------------------------------------------------------------- 2kV

MM (Machine Mode) --------------------------------------------------------------------------------------- 200V

Recommended Operating Conditions

(Note 4)

VDDM --------------------------------------------------------------------------------------------------------- 2.7V to 5.8V

Junction Temperature Range -----------------------------------------------------------------------------

−40°C to 125°C

Ambient Temperature Range -----------------------------------------------------------------------------

−40°C to 85°C

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Supply Input Voltage

BAT Startup Voltage

VST

1.5

BAT UVLO Threshold

BAT Falling

1.3

BAT UVLO Hysteresis

0.2

VDDM OVP Threshold

VDDM Rising

5.85

6.15

VDDM OVP Hysteresis

−0.25

VDDM UVLO Threshold

VDDM Rising

2.2

2.4

2.6

VDDM UVLO Hysteresis

0.3

Supply Current

Shutdown Supply Current

(IBAT + IVDDM)

IOFF

All EN pins = 0, VBAT = 3.3V

μA

CH1 Synchronous Step-Up Supply

Current into VDDM

IQ1

Non switching, VEN1234 = 3.3V

800

μA

CH2 Synchronous Step-Up or

Step-Down Supply Current into VDDM

IQ2

Non switching, VEN1234 = 3.3V

800

μA

CH3 Synchronous Step-Down Supply

Current into VDDM

IQ3

VEN1234 = 3.3V

800

μA

To be continued

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